| 摘要 |
PURPOSE: A sequencing batch type long-term aerator is provided to facilitate replacement due to malfunction etc. CONSTITUTION: A sequencing batch type long-term aerator comprises: anoxic reactor (10); and a main reactor (20) formed integrally by being positioned at the rear end of the anoxic reactor. The anoxic reactor mixes returned sludge from the main reactor with sewage. The main reactor repeats aeration, sedimentation, exhaustion, and pause about the sewage passed through the anoxic reactor. The main reactor comprises: a water air diffuser (201); a blower (202); a sludge return pump (203); a redundancy sludge discharge pump (204); and an exhaust apparatus (205). [Reference numerals] (AA) Inflow; (BB) Return; (CC) Discard residual sludge; (DD) Discharge |
